Great Conduit

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Above: An enlargement of a small part of the ‘Copper Engraving’ made about 1555. It shows the Great Conduit (shaded yellow). The view is slightly obscured by the large weather-vane on a nearby church which is drawn to the immediate right of the conduit. To the left are shown five large water jugs made of thick leather which could be filled from the conduit and then used to pour water into other vessels owned by the house-holders. The large ‘shed’ to the right represents market stalls, in the middle of the street. Behind the conduit, on the north side of Poultry (at that time), the Mercers’ Chapel is shown.

Conduits are one of the subjects of medieval London that are seldom talked about. By the 13th century there were so many people living in the City of London that water supplies, provided by wells and water pumps in many streets, could not keep pace with  the needs of the population. A revolutionary idea was put into practice in the 13th century by bringing fresh water from a spring, in what was then open countryside near today’s Marble Arch, via a large pipe, across the land to a suitable point on a main street in the City.

The pipe was called a ‘conduit’, derived from a Latin word meaning ‘to lead’ – in this case to lead the water to the required location. Although it was the pipe that was actually known as the ‘conduit’, the structure supporting the water tap at the end of the long pipe also became known by the same name.

As time went by, several conduits were constructed but our story is all about the first one which became known as the Great Conduit.

What was remarkable about each project was that the pipe had to carry the water for a distance of two miles – or more. The entire length of the ‘pipe’ was gravity fed. The ‘pipe’ was made up from tree trunks, each one about 10 to 20 feet long, bored through the centre with a six-inch auger. Each section then had to be connected to the next by shaping the ends to form a joint that leaked as little water as possible. Today we could easily complete the project by using plastic pipes and, if they leaked, we could use mastic to seal the joint. The sheer effort that went into constructing a long conduit in medieval times was nothing short of amazing!

The first conduit to be laid in London was the so-called ‘Great Conduit’ which was begun in 1238 but not completed until 1245. Water was conveyed 2.7 miles (4.3 km) from Tyburn (from a spring just north of Oxford Street) all the way to Poultry. Its route was via today’s Constitution Hill; the Mews at Charing Cross; Leicester Fields (now Leicester Square); along Strand and Fleet Street; via Cheapside; and finally to Poultry.

When fully working, the tap was under the care of a keeper who locked it up and only allowed water to be drawn in his presence.

In the 1270s, when Edward I brought his wife to London for the first time, the conduit ran with wine. About a decade after that time, the conduit was rebuilt.

It was destroyed in 1666, in the flames of the Great Fire and not rebuilt because it was in the way of the traffic.

Its exact site was lost for several centuries until the 1990s when workmen completing the exterior of One Poultry found evidence of the Great Conduit under the pavement of Poultry, on the souther side.

Its site was described as being ‘at the eastern end of Cheapside, in the middle of the street, opposite the Mercers’ Chapel, near the end of Old Jewry.’ Today we can describe the site as being ‘in front of Tesco Metro.’

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Above: The plaque, set into the pavement on the south side of Poultry.  (There is a larger version of the inscription on the image below).

I have known about the Great Conduit and knew roughly where its had stood but it was only a few days ago that I was walking along Poultry and noticed that a special plaque had been placed in the pavement, on the south side, to mark the exact spot.

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Above: The plaque states ‘The Great Conduit lies beneath this spot. Built by the City of London in 1245 to provide public water water supplied by pipe from Tyburn springs. Removed after the Great Fire in 1666 and found during the construction of One Poultry in 1994.’

It would appear that the plaque in the pavement has been there since 1994 and I had only just noticed it in November 2014!  It is surprising what we all walk past every day and never notice!

-ENDS-

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This entry was posted in Cheapside, City of London, Poultry. Bookmark the permalink.

4 Responses to Great Conduit

  1. Amy Taylor says:

    Thank you for sharing this! I personally have some family history with the conduit and have wanted to travel and visit the spot. You’ve brought it to me! Thank you for the great pictures and information on the water’s travel and history!

    Like

  2. Grant Gucwa says:

    Amaze! Thank you! I constantly wished to produce in my internet site a thing like that. Can I take element of the publish to my blog?

    Like

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